diff --git a/.github/workflows/github-actions-workflow.yml b/.github/workflows/github-actions-workflow.yml
index 6080484..6d9b1b6 100644
--- a/.github/workflows/github-actions-workflow.yml
+++ b/.github/workflows/github-actions-workflow.yml
@@ -7,6 +7,7 @@ on:
     pull_request:
         branches:
             - main
+    workflow_dispatch:
 
 jobs:
     test:
@@ -44,4 +45,4 @@ jobs:
             #   with:
             #       coverageLocations: |
             #           ${{github.workspace}}/client/coverage/lcov.info:lcov
-            #           ${{github.workspace}}/server/coverage/lcov.info:lcov
\ No newline at end of file
+            #           ${{github.workspace}}/server/coverage/lcov.info:lcov
diff --git a/.gitignore b/.gitignore
index 594065b..d6e7508 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 backend/node_modules
 backend/coverage
 backend/dist
-frontend/node_modules
-frontend/coverage
+client/node_modules
+client/coverage
diff --git a/README.md b/README.md
index 6ea3e5c..9c01321 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-# ci-cd-example
\ No newline at end of file
+[![Maintainability](https://api.codeclimate.com/v1/badges/d58a218b1149d0351e34/maintainability)](https://codeclimate.com/github/shang8024/ci-cd-example/maintainability)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/d58a218b1149d0351e34/test_coverage)](https://codeclimate.com/github/shang8024/ci-cd-example/test_coverage)
+# ci-cd-example 
diff --git a/backend/package.json b/backend/package.json
index 18aeb70..c77dca3 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -19,5 +19,54 @@
     "pg": "^8.12.0",
     "redis": "^4.6.15",
     "supertest": "^7.0.0"
+  },
+  "jest": {
+    "testTimeout": 30000,
+    "roots": [
+      "<rootDir>"
+    ],
+    "modulePaths": [
+      "<rootDir>/routes"
+    ],
+    "moduleDirectories": [
+      "node_modules",
+      "routes"
+    ],
+    "testEnvironment": "node",
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "jsx",
+      "ts",
+      "tsx"
+    ],
+    "collectCoverageFrom": [
+      "**/routes/**/*.js",
+      "!**/node_modules/**",
+      "**/config/*.js",
+      "**/marketing_system/**/*.js",
+      "**/models/*.js"
+    ],
+    "coverageReporters": [
+      [
+        "lcov",
+        {
+          "projectRoot": ".."
+        }
+      ],
+      [
+        "text",
+        {
+          "skipFull": true
+        }
+      ],
+      "text-summary"
+    ]
+  },
+  "nyc": {
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
   }
 }
diff --git a/client/package.json b/client/package.json
index 49d967c..a7f8934 100644
--- a/client/package.json
+++ b/client/package.json
@@ -15,7 +15,7 @@
   "scripts": {
     "start": "cross-env REACT_APP_BACKEND=localhost react-scripts start",
     "build": "react-scripts build",
-    "test": "react-scripts test --transformIgnorePatterns \"node_modules/(?!axios)/\"",
+    "test": "react-scripts test --coverage --watchAll=false --transformIgnorePatterns \"node_modules/(?!axios)/\"",
     "eject": "react-scripts eject",
     "tutorial": "npm install && npm start",
     "docker": "cross-env REACT_APP_BACKEND=localhost react-scripts start"
@@ -41,5 +41,40 @@
   "devDependencies": {
     "cross-env": "^7.0.3",
     "tailwindcss": "^3.4.4"
+  },
+  "jest": {
+    "transformIgnorePatterns": [
+      "node_modules/(?!axios)"
+    ],
+    "collectCoverageFrom": [
+      "src/**/*.js",
+      "!**/node_modules/**",
+      "!src/index.js",
+      "!src/reportWebVitals.js",
+      "!src/setupTests.js",
+      "!src/hooks/**",
+      "!src/context/**"
+    ],
+    "coverageReporters": [
+      [
+        "lcov",
+        {
+          "projectRoot": ".."
+        }
+      ],
+      [
+        "text",
+        {
+          "skipFull": true
+        }
+      ],
+      "text-summary"
+    ]
+  },
+  "nyc": {
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
   }
 }
diff --git a/client/src/tests/app.test.js b/client/src/tests/app.test.js
index fae7851..1a7adf3 100644
--- a/client/src/tests/app.test.js
+++ b/client/src/tests/app.test.js
@@ -1,9 +1,24 @@
 import React from 'react';
 import App from '../App';
-import { render,screen } from '@testing-library/react';
+import { render,screen, waitFor } from '@testing-library/react';
 import '@testing-library/jest-dom';
 
 test('loads and displays titles', () => {
   render(<App />);
   expect(screen.getByText(/Docker tutorial/i)).toBeInTheDocument();
 });
+
+test('render product list', async () => {
+  globalThis.fetch = jest.fn(() =>
+    Promise.resolve({
+      json: () => Promise.resolve({data:[
+        {name: 'Product 1', description: 'Description 1', price: 100},
+      ]}),
+    })
+  );
+  render(<App />);
+  await waitFor(() => {
+    const product1 = screen.getByText('Product 1');
+    expect(product1).toBeInTheDocument();
+  });
+});
\ No newline at end of file